Trait aggression is related to anger-modulated deficits in response inhibition

The goal of the present study was to investigate the role of emotion-modulated response inhibition in individual difference in the disposition towards aggressive behavior (i.e. trait aggression). One hundred and twelve undergraduate participants completed a behavioral measure of emotion modulated response inhibition (an emotional go/no-go task), self-report measures previously shown to predict aggression (Big-5 traits, impulsivity), and the Aggression Questionnaire (AQ) as a measure of trait aggression. Results show that deficient inhibition to angry, but not happy, faces were related to trait aggression but not to other traits. These findings provide support for the role of specific top down executive control mechanisms in the regulation of aggressive tendencies and highlight the importance of examining these mechanisms in an emotional context. (C) 2012 Elsevier Inc. All rights reserved.